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Article: Late Triassic granites from Bangka, Indonesia: A continuation of the Main Range granite province of the South-East Asian Tin Belt
Title | Late Triassic granites from Bangka, Indonesia: A continuation of the Main Range granite province of the South-East Asian Tin Belt |
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Authors | |
Keywords | Sibumasu Bangka Indonesia Main Range Tin granite South-East Asian Tin Belt |
Issue Date | 2017 |
Citation | Journal of Asian Earth Sciences, 2017, v. 138, p. 548-561 How to Cite? |
Abstract | © 2017 Elsevier Ltd The South-East Asian Tin Belt is one of the most tin-productive regions in the world. It comprises three north-south oriented granite provinces, of which the arc-related Eastern granite province and the collision-related Main Range granite province run across Thailand, Singapore, and Indonesia. These tin-producing granite provinces with different mineral assemblages are separated by Paleo-Tethyan sutures exposed in Thailand and Malaysia. The Eastern Province is usually characterised by granites with biotite ± hornblende. Main Range granites are sometimes characterised by the presence of biotite ± muscovite. However, the physical boundary between the two types of granite is not well-defined on the Indonesian Tin Islands, because the Paleo-Tethyan suture is not exposed on land there. Both hornblende-bearing (previously interpreted as I-type) and hornblende-barren (previously interpreted as S-type) granites are apparently randomly distributed on the Indonesian Tin Islands. Granites exposed on Bangka, the largest and southernmost Tin Island, no matter whether they are hornblende-bearing or hornblende-barren, are geochemically similar to Malaysian Main Range granites. The average ɛNd(t) value obtained from the granites from Bangka (average ɛNd(t) = −8.2) falls within the range of the Main Range Province (−9.6 to −5.4). These granites have SIMS zircon U-Pb ages of ca. 225 Ma and ca. 220 Ma, respectively that are both within the period of Main Range magmatism (∼226–201 Ma) in the Peninsular Malaysia. We suggest that the granites exposed on Bangka represent the continuation of the Main Range Province, and that the Paleo-Tethyan suture lies to the east of the island. |
Persistent Identifier | http://hdl.handle.net/10722/262732 |
ISSN | 2023 Impact Factor: 2.7 2023 SCImago Journal Rankings: 0.964 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Ng, Samuel Wai Pan | - |
dc.contributor.author | Whitehouse, Martin J. | - |
dc.contributor.author | Roselee, Muhammad H. | - |
dc.contributor.author | Teschner, Claudia | - |
dc.contributor.author | Murtadha, Sayed | - |
dc.contributor.author | Oliver, Grahame J.H. | - |
dc.contributor.author | Ghani, Azman A. | - |
dc.contributor.author | Chang, Su Chin | - |
dc.date.accessioned | 2018-10-08T02:46:53Z | - |
dc.date.available | 2018-10-08T02:46:53Z | - |
dc.date.issued | 2017 | - |
dc.identifier.citation | Journal of Asian Earth Sciences, 2017, v. 138, p. 548-561 | - |
dc.identifier.issn | 1367-9120 | - |
dc.identifier.uri | http://hdl.handle.net/10722/262732 | - |
dc.description.abstract | © 2017 Elsevier Ltd The South-East Asian Tin Belt is one of the most tin-productive regions in the world. It comprises three north-south oriented granite provinces, of which the arc-related Eastern granite province and the collision-related Main Range granite province run across Thailand, Singapore, and Indonesia. These tin-producing granite provinces with different mineral assemblages are separated by Paleo-Tethyan sutures exposed in Thailand and Malaysia. The Eastern Province is usually characterised by granites with biotite ± hornblende. Main Range granites are sometimes characterised by the presence of biotite ± muscovite. However, the physical boundary between the two types of granite is not well-defined on the Indonesian Tin Islands, because the Paleo-Tethyan suture is not exposed on land there. Both hornblende-bearing (previously interpreted as I-type) and hornblende-barren (previously interpreted as S-type) granites are apparently randomly distributed on the Indonesian Tin Islands. Granites exposed on Bangka, the largest and southernmost Tin Island, no matter whether they are hornblende-bearing or hornblende-barren, are geochemically similar to Malaysian Main Range granites. The average ɛNd(t) value obtained from the granites from Bangka (average ɛNd(t) = −8.2) falls within the range of the Main Range Province (−9.6 to −5.4). These granites have SIMS zircon U-Pb ages of ca. 225 Ma and ca. 220 Ma, respectively that are both within the period of Main Range magmatism (∼226–201 Ma) in the Peninsular Malaysia. We suggest that the granites exposed on Bangka represent the continuation of the Main Range Province, and that the Paleo-Tethyan suture lies to the east of the island. | - |
dc.language | eng | - |
dc.relation.ispartof | Journal of Asian Earth Sciences | - |
dc.subject | Sibumasu | - |
dc.subject | Bangka | - |
dc.subject | Indonesia | - |
dc.subject | Main Range | - |
dc.subject | Tin granite | - |
dc.subject | South-East Asian Tin Belt | - |
dc.title | Late Triassic granites from Bangka, Indonesia: A continuation of the Main Range granite province of the South-East Asian Tin Belt | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1016/j.jseaes.2017.03.002 | - |
dc.identifier.scopus | eid_2-s2.0-85014948025 | - |
dc.identifier.hkuros | 271641 | - |
dc.identifier.volume | 138 | - |
dc.identifier.spage | 548 | - |
dc.identifier.epage | 561 | - |
dc.identifier.isi | WOS:000401376300041 | - |
dc.identifier.issnl | 1367-9120 | - |